S-80744AN Seiko Instruments Inc, S-80744AN Datasheet - Page 28

• Manufacturer Part Number: S-80744AN
• Description: HIGH-PRECISION VOLTAGE DETECTOR
• Manufacturer: Seiko Instruments Inc

2. Reference voltage circuit
3. Comparator
4. Other characteristics
The S-807 Series has 0.8 V typical reference voltage circuit as-
V
It features:
The comparator drives a differential amplifier with a current
consumption of only 0.5 A as shown in Figure 15.
It features:
(1) Temperature characteristic of detection voltage
(2) Temperature characteristic of release voltage
REF
Low power consumption
Good temperature characteristic
Good matching characteristics
Wide operating voltage range
Low offset voltage
(a high-stable reference voltage source) .
Because of the excellent temperature characteristic of the reference voltage circuit, the temperature characteristics of
the detection voltage are expressed by the following formula in the range of -30 C to +80 C.
Seiko Instruments Inc.
-V
DET
-V
+V
REF
-V
-V
HYS
REF
*-V
DET
REF
is 0.65 V min., 0.8 V typ., 0.95 V max.
( 0.1) mV/ C
( 0.1) mV/ C
HIGH-PRECISION VOLTAGE DETECTOR
typ.
Bias
V
IN
+
F
i
gu
re
15 Comparator
V
DD
V
SS
S-807 Series
V
OUT
V
IN
-
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